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Designed for high performance and heavy duty applications, the Sportsman block is ideal for drag racers, circle track competitors, off-roaders, and high performance marine enthusiasts. Dart’s Iron Eagle Sportsman block is the affordable alternative for Sportsman racers and serious street performance. The Sportsman block shares most of the ...

The Sportsman block shares most of the Iron Eagle’s best features, but saves you money. Dart blocks are cast from premium high strength Iron with extra thick cylinder walls and decks. Main bearing caps are 4-bolt on the center three and 2-bolt on the ends to simplify oil pan fitment.